<!DOCTYPE html>
<html lang="en">
<head>
    <!--[if lt IE 9]>
    <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
    <![endif]-->

    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Float grid demo</title>
    <link rel="stylesheet" href="gridstack.css"/>

    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.11.0/jquery-ui.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.5.0/lodash.min.js"></script>
    <script src="gridstack.js"></script>
    <script src="gridstack.jQueryUI.js"></script>

    <style type="text/css">
    	html,body,.grid-stack{
    		height:100%!important;
    	}
        .grid-stack {
            background: lightgoldenrodyellow;
        }
        .grid-stack-item-content {
            color: #2c3e50;
            text-align: center;
            background-color: #18bc9c;
        }
    </style>
</head>
<body>
<a style="display:none;" id="add-new-widget" href="#">Add Widget</a>
<div class="grid-stack"></div>
<script type="text/javascript">
    $(function () {
        var options = {
            float: true
        };
        $('.grid-stack').gridstack(options);
        new function () {
            this.grid = $('.grid-stack').data('gridstack');
            this.addNewWidget = function () {
                var node =  {
                            x: 12 * Math.random(),
                            y: 5 * Math.random(),
                            width: 1 + 3 * Math.random(),
                            height: 1 + 3 * Math.random()
                        };
                this.grid.addWidget($('<div><div class="grid-stack-item-content" /></div>'),
                    node.x, node.y, node.width, node.height);
                return false;
            }.bind(this);
            $('#add-new-widget').click(this.addNewWidget);
        };
    });
</script>
</body>
</html>
